CVE-2021-28476

CVE-2021-28476: Microsoft Hyper-V: Multiple Vulnerabilities in vmswitch Multiple bugs are present in WPP code when handling set OID requests, one of them allowing to dereference read access an attacker controlled pointer, and the rest causing out of bounds read accesses. This repository contains...

CVE-2023-36407

CVE-2023-36407 This is poc for CVE-2023-36407, Hyper-V Elevation of Privilege Vulnerability. https://github.com/pwndorei/CVE-2023-36407/assets/96749184/a8ef87d3-e0d0-40e5-9b23-35ab057a9c78 Vulnerability OOB Read/Write from/to Non-paged Pool via winhvr.sys!WinHvGet/SetVpState Reproduction Steps...

hyperv_local_dos_poc

Hyper-V DoS PoC. This is code files of Visual Studio 2019 driver project. 1. Compile driver. 2. Enable nested virtualization for guest OS using command: Set-VMProcessor -VMName -ExposeVirtualizationExtensions $true 3. Run driver inside guest OS. Host OS will be rebooted or generate BSOD with...

s6_pcie_microblaze

PCI Express DIY hacking toolkit General information Contents SP605 board configuration Software configuration Examples Using Python API Practical DMA attacks Option ROM attacks Troubleshooting Building project from the source code General information This repository contains a set of tools and...

gerhart01

gerhart01 CVE-2020-0890 | Windows Hyper-V Denial of Service Vulnerability proof-of-concept code...

HyperDeceit

HyperDeceit This repository contains the full source-code of the HyperDeceit project which is a library that allows you to impersonate as Hyper-V and intercept hypercalls done by the Windows kernel. Blog post: https://reversing.info/posts/hyperdeceit/ Disclaimer The code has not been through prop...

CVE-2021-28476

CVE-2021-28476: a guest-to-host "Microsoft Hyper-V Remote Code Execution Vulnerability" in vmswitch.sys. This is a proof of concept for CVE-2021-28476 "Hyper-V Remote Code Execution Vulnerability", an arbitrary memory read in vmswitch.sys network virtualization service provider patched by Microso...

0vercl0k

0vercl0k PoC for CVE-2021-28476 a guest-to-host "Hyper-V Remote Code Execution Vulnerability" in vmswitch.sys...

CVE-2021-28476

CVE-2021-28476: Hyper-V vmswitch.sys arbitrary pointer dereference from guest VM Summary: A Hyper-V guest virtual machine can trigger a Denial-of-Service condition on its underlying host due to unsafe parsing of input by the VmsIfrInfoParamsOIDSWITCHNICREQUEST function in vmswitch.sys. The crash ...

CVE-2021-28476-tools-env

pack test and exploitdev for POC CVE-2021-28476 from bluefrostsecurity researcher installation guide: cd tools/ ./addtopathtools.sh addition tools for /usr/bin/ remove tools from /usr/bin: cd tools/ ./deltopathtools.sh tools: pocinit: description: preinit env guest host for compile POC see...

CVE-2025-21333

CVE-2025-21333 Hyper-V NT Kernel Integration VSP vkrnlintvsp.sys Paged Pool heap overflow → Local Privilege Escalation LPE. This directory contains lab PoC source code based on MrAle98/CVE-2025-21333-POC, including a local patch. 1. Vulnerability Summary Item| Content ---|--- CVE| CVE-2025-21333...

The vulnerability of the Hyper-V component for Windows operating systems, allowing a perpetrator to execute arbitrary code

The vulnerability of the Hyper-V component in Windows operating systems is related to the swapping of an unreliable pointer. Exploiting this vulnerability allows an attacker to execute arbitrary code...

The vulnerability of the Hyper-V component of the Windows operating system, which allows a hacker to increase their privileges

The vulnerability of the Hyper-V component of the Windows operating system is related to buffer overflows in dynamic memory. Exploiting this vulnerability can allow an attacker to gain increased privileges...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ixgbevf: added the missing negotiatefeatures operation to the Hyper-V ops table. The commit a7075f501bd3 “ixgbevf: fixed mailbox API compatibility by negotiating supported features” added the.negotiatefeatures callback to...

The vulnerability of the Hyper-V component for Windows operating systems, allowing a perpetrator to execute arbitrary code

The vulnerability of the Hyper-V component in Windows operating systems is related to the execution of operations beyond the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

AZL-102971 CVE-2026-90097 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Skip VMBus module cleanup for non-nested root partition The VMBus module initialization function, hvacpiinit, currently does nothing when running in the root partition and root is not nested in another VM. But...

SUSE CVE-2026-89927

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: hyper-v: Clamp stimer deadline to avoid livelock Fix an issue where userspace or the guest can program an Hyper-V synthetic timer to have a deadline in the past via integer overflow, preventing the CPU from making...

AZL-101225 CVE-2026-89927 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: hyper-v: Clamp stimer deadline to avoid livelock Fix an issue where userspace or the guest can program an Hyper-V synthetic timer to have a deadline in the past via integer overflow, preventing the CPU from making...

DEBIAN-CVE-2026-89927

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: hyper-v: Clamp stimer deadline to avoid livelock Fix an issue where userspace or the guest can program an Hyper-V synthetic timer to have a deadline in the past via integer overflow, preventing the CPU from making...

CVE-2026-89927 KVM: x86: hyper-v: Clamp stimer deadline to avoid livelock

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: hyper-v: Clamp stimer deadline to avoid livelock Fix an issue where userspace or the guest can program an Hyper-V synthetic timer to have a deadline in the past via integer overflow, preventing the CPU from making...